<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
          "DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>geometry</title>
  <link rel="stylesheet" href="epydoc.css" type="text/css" />
  <script type="text/javascript" src="epydoc.js"></script>
</head>

<body bgcolor="white" text="black" link="blue" vlink="#204080"
      alink="#204080">
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
       bgcolor="#a0c0ff" cellspacing="0">
  <tr valign="middle">

  <!-- Tree link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Index link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Help link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Project homepage -->
      <th class="navbar" align="right" width="100%">
        <table border="0" cellpadding="0" cellspacing="0">
          <tr><th class="navbar" align="center"
            >Metadata Crawler</th>
          </tr></table></th>
  </tr>
</table>
<table width="100%" cellpadding="0" cellspacing="0">
  <tr valign="top">
    <td width="100%">
      <span class="breadcrumbs">
        Module&nbsp;geometry
      </span>
    </td>
    <td>
      <table cellpadding="0" cellspacing="0">
        <!-- hide/show private -->
        <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
    onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
        <tr><td align="right"><span class="options"
            >[<a href="frames.html" target="_top">frames</a
            >]&nbsp;|&nbsp;<a href="geometry-pysrc.html"
            target="_top">no&nbsp;frames</a>]</span></td></tr>
      </table>
    </td>
  </tr>
</table>
<h1 class="epydoc">Source Code for <a href="geometry-module.html">Module geometry</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-docstring">Geometry and dataset helper functions</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-docstring">=====================================</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt><tt class="py-op">,</tt><tt class="py-name">math</tt><tt class="py-op">,</tt><tt class="py-name">warnings</tt><tt class="py-op">,</tt><tt class="py-name">tempfile</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">gdal</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">gdalconst</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">osr</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">ogr</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-keyword">except</tt> <tt class="py-name">ImportError</tt><tt class="py-op">:</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">gdal</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">gdalconst</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">osr</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">ogr</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Dataset Utilities</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="OpenDataset"></a><div id="OpenDataset-def"><a name="L22"></a><tt class="py-lineno"> 22</tt> <a class="py-toggle" href="#" id="OpenDataset-toggle" onclick="return toggle('OpenDataset');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#OpenDataset">OpenDataset</a><tt class="py-op">(</tt><tt class="py-param">f</tt><tt class="py-op">,</tt><tt class="py-param">mode</tt><tt class="py-op">=</tt><tt class="py-name">gdalconst</tt><tt class="py-op">.</tt><tt class="py-name">GA_ReadOnly</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="OpenDataset-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="OpenDataset-expanded"><a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line">    <tt class="py-docstring">'''Open &amp; return a gdalDataset object'''</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PushErrorHandler</tt><tt class="py-op">(</tt> <tt class="py-string">'CPLQuietErrorHandler'</tt> <tt class="py-op">)</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line">    <tt class="py-name">gdalDataset</tt> <tt class="py-op">=</tt> <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt id="link-0" class="py-name" targets="Function formats.Open()=formats-module.html#Open"><a title="formats.Open" class="py-name" href="#" onclick="return doclink('link-0', 'Open', 'link-0');">Open</a></tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">mode</tt><tt class="py-op">)</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PopErrorHandler</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">gdalDataset</tt> </tt>
</div><a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line">     </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Geometry Utilities</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="Rotation"></a><div id="Rotation-def"><a name="L33"></a><tt class="py-lineno"> 33</tt> <a class="py-toggle" href="#" id="Rotation-toggle" onclick="return toggle('Rotation');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#Rotation">Rotation</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>    </tt>
</div><a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line">    <tt class="py-docstring">'''</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"><tt class="py-docstring">    Get rotation angle from a geotransform</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line"><tt class="py-docstring">    @param gt: geotransform</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt><tt class="py-keyword">return</tt> <tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">degrees</tt><tt class="py-op">(</tt><tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">tanh</tt><tt class="py-op">(</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">/</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt><tt class="py-keyword">return</tt> <tt class="py-number">0</tt> </tt>
</div><a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"> </tt>
<a name="CellSize"></a><div id="CellSize-def"><a name="L41"></a><tt class="py-lineno"> 41</tt> <a class="py-toggle" href="#" id="CellSize-toggle" onclick="return toggle('CellSize');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CellSize">CellSize</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>    </tt>
</div><a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line">    <tt class="py-docstring">'''</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring">    Get cell size from a geotransform</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"><tt class="py-docstring">    @param gt: geotransform</tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">    <tt class="py-name">cellx</tt><tt class="py-op">=</tt><tt class="py-name">round</tt><tt class="py-op">(</tt><tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">hypot</tt><tt class="py-op">(</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-number">7</tt><tt class="py-op">)</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">    <tt class="py-name">celly</tt><tt class="py-op">=</tt><tt class="py-name">round</tt><tt class="py-op">(</tt><tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">hypot</tt><tt class="py-op">(</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-number">7</tt><tt class="py-op">)</tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-op">(</tt><tt class="py-name">cellx</tt><tt class="py-op">,</tt><tt class="py-name">celly</tt><tt class="py-op">)</tt> </tt>
</div><a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"> </tt>
<a name="SceneCentre"></a><div id="SceneCentre-def"><a name="L50"></a><tt class="py-lineno"> 50</tt> <a class="py-toggle" href="#" id="SceneCentre-toggle" onclick="return toggle('SceneCentre');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#SceneCentre">SceneCentre</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SceneCentre-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="SceneCentre-expanded"><a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line">    <tt class="py-docstring">'''</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line"><tt class="py-docstring">    Get scene centre from a geotransform.</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">    </tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"><tt class="py-docstring">    @param gt: geotransform</tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"><tt class="py-docstring">    @param cols: number of columns in the dataset</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line"><tt class="py-docstring">    @param rows: number of rows in the dataset</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">    <tt class="py-name">px</tt> <tt class="py-op">=</tt> <tt class="py-name">cols</tt><tt class="py-op">/</tt><tt class="py-number">2</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">    <tt class="py-name">py</tt> <tt class="py-op">=</tt> <tt class="py-name">rows</tt><tt class="py-op">/</tt><tt class="py-number">2</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">    <tt class="py-name">x</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">    <tt class="py-name">y</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">x</tt><tt class="py-op">,</tt><tt class="py-name">y</tt> </tt>
</div><a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line"> </tt>
<a name="GeoTransformToGCPs"></a><div id="GeoTransformToGCPs-def"><a name="L64"></a><tt class="py-lineno"> 64</tt> <a class="py-toggle" href="#" id="GeoTransformToGCPs-toggle" onclick="return toggle('GeoTransformToGCPs');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#GeoTransformToGCPs">GeoTransformToGCPs</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GeoTransformToGCPs-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="GeoTransformToGCPs-expanded"><a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">    <tt class="py-docstring">''' </tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line"><tt class="py-docstring">    Form a gcp list from a geotransform using the 4 corners.</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line"><tt class="py-docstring">    This function is meant to be used to convert a geotransform</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line"><tt class="py-docstring">    to gcp's so that the geocoded information can be reprojected.</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"><tt class="py-docstring">    @param gt: geotransform to convert to gcps</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line"><tt class="py-docstring">    @param cols: number of columns in the dataset</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"><tt class="py-docstring">    @param rows: number of rows in the dataset</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">     </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line">    <tt class="py-name">gcp_list</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line">    <tt class="py-name">parr</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">]</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">    <tt class="py-name">larr</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">]</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">    <tt class="py-name">id</tt><tt class="py-op">=</tt><tt class="py-number">0</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">px</tt> <tt class="py-keyword">in</tt> <tt class="py-name">parr</tt><tt class="py-op">:</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">py</tt> <tt class="py-keyword">in</tt> <tt class="py-name">larr</tt><tt class="py-op">:</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GCP</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">Id</tt><tt class="py-op">=</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">id</tt><tt class="py-op">)</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPX</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPY</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPZ</tt><tt class="py-op">=</tt><tt class="py-number">0.0</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPPixel</tt><tt class="py-op">=</tt><tt class="py-name">px</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPLine</tt><tt class="py-op">=</tt><tt class="py-name">py</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">            <tt class="py-name">id</tt><tt class="py-op">+=</tt><tt class="py-number">1</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">            <tt class="py-name">gcp_list</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cgcp</tt><tt class="py-op">)</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">        <tt class="py-name">larr</tt><tt class="py-op">.</tt><tt class="py-name">reverse</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">gcp_list</tt> </tt>
</div><a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line"> </tt>
<a name="GeomFromExtent"></a><div id="GeomFromExtent-def"><a name="L94"></a><tt class="py-lineno"> 94</tt> <a class="py-toggle" href="#" id="GeomFromExtent-toggle" onclick="return toggle('GeomFromExtent');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#GeomFromExtent">GeomFromExtent</a><tt class="py-op">(</tt><tt class="py-param">ext</tt><tt class="py-op">,</tt><tt class="py-param">srs</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">srs_wkt</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GeomFromExtent-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="GeomFromExtent-expanded"><a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt> <tt class="py-keyword">or</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">:</tt> <tt class="py-comment">#is it a list of xy pairs</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">        <tt class="py-name">wkt</tt> <tt class="py-op">=</tt> <tt class="py-string">'POLYGON ((%s))'</tt> <tt class="py-op">%</tt> <tt class="py-string">','</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-string">' '</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">ext</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> <tt class="py-comment">#it's a list of xy values</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-name">xmin</tt><tt class="py-op">,</tt><tt class="py-name">ymin</tt><tt class="py-op">,</tt><tt class="py-name">xmax</tt><tt class="py-op">,</tt><tt class="py-name">ymax</tt><tt class="py-op">=</tt><tt class="py-name">ext</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">        <tt class="py-name">template</tt> <tt class="py-op">=</tt> <tt class="py-string">'POLYGON ((%(minx)f %(miny)f, %(minx)f %(maxy)f, %(maxx)f %(maxy)f, %(maxx)f %(miny)f, %(minx)f %(miny)f))'</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">        <tt class="py-name">r1</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'minx'</tt><tt class="py-op">:</tt> <tt class="py-name">xmin</tt><tt class="py-op">,</tt> <tt class="py-string">'miny'</tt><tt class="py-op">:</tt> <tt class="py-name">ymin</tt><tt class="py-op">,</tt> <tt class="py-string">'maxx'</tt><tt class="py-op">:</tt><tt class="py-name">xmax</tt><tt class="py-op">,</tt> <tt class="py-string">'maxy'</tt><tt class="py-op">:</tt><tt class="py-name">ymax</tt><tt class="py-op">}</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">        <tt class="py-name">wkt</tt> <tt class="py-op">=</tt> <tt class="py-name">template</tt> <tt class="py-op">%</tt> <tt class="py-name">r1</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">srs_wkt</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt><tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">osr</tt><tt class="py-op">.</tt><tt class="py-name">SpatialReference</tt><tt class="py-op">(</tt><tt class="py-name">wkt</tt><tt class="py-op">=</tt><tt class="py-name">srs_wkt</tt><tt class="py-op">)</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">    <tt class="py-name">geom</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">CreateGeometryFromWkt</tt><tt class="py-op">(</tt><tt class="py-name">wkt</tt><tt class="py-op">,</tt><tt class="py-name">srs</tt><tt class="py-op">)</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">geom</tt> </tt>
</div><a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line"> </tt>
<a name="ReprojectGeom"></a><div id="ReprojectGeom-def"><a name="L106"></a><tt class="py-lineno">106</tt> <a class="py-toggle" href="#" id="ReprojectGeom-toggle" onclick="return toggle('ReprojectGeom');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#ReprojectGeom">ReprojectGeom</a><tt class="py-op">(</tt><tt class="py-param">geom</tt><tt class="py-op">,</tt><tt class="py-param">src_srs</tt><tt class="py-op">,</tt><tt class="py-param">tgt_srs</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ReprojectGeom-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ReprojectGeom-expanded"><a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">    <tt class="py-docstring">''' </tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line"><tt class="py-docstring">    Reproject a geometry object.</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line"><tt class="py-docstring">    @param geom: GDAL geometry object</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line"><tt class="py-docstring">    @param src_srs: GDAL (OSR) SpatialReference object</tt> </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line"><tt class="py-docstring">    @param tgt_srs: GDAL (OSR) SpatialReference object</tt> </tt>
<a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L114"></a><tt class="py-lineno">114</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PushErrorHandler</tt><tt class="py-op">(</tt> <tt class="py-string">'CPLQuietErrorHandler'</tt> <tt class="py-op">)</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line">    <tt class="py-name">geom</tt><tt class="py-op">.</tt><tt class="py-name">AssignSpatialReference</tt><tt class="py-op">(</tt><tt class="py-name">src_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line">    <tt class="py-name">geom</tt><tt class="py-op">.</tt><tt class="py-name">TransformTo</tt><tt class="py-op">(</tt><tt class="py-name">tgt_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line">    <tt class="py-name">err</tt> <tt class="py-op">=</tt> <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorMsg</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt><tt class="py-name">warnings</tt><tt class="py-op">.</tt><tt class="py-name">warn</tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">,</tt><tt class="py-string">' '</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PopErrorHandler</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">geom</tt> </tt>
</div><a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line"> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#VRT Utilities</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="CreateVRTCopy"></a><div id="CreateVRTCopy-def"><a name="L127"></a><tt class="py-lineno">127</tt> <a class="py-toggle" href="#" id="CreateVRTCopy-toggle" onclick="return toggle('CreateVRTCopy');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateVRTCopy">CreateVRTCopy</a><tt class="py-op">(</tt><tt class="py-param">ds</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateVRTCopy-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateVRTCopy-expanded"><a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">        <tt class="py-name">vrtdrv</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDriverByName</tt><tt class="py-op">(</tt><tt class="py-string">'VRT'</tt><tt class="py-op">)</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line">        <tt class="py-name">vrtds</tt><tt class="py-op">=</tt><tt class="py-name">vrtdrv</tt><tt class="py-op">.</tt><tt class="py-name">CreateCopy</tt><tt class="py-op">(</tt><tt class="py-string">''</tt><tt class="py-op">,</tt><tt class="py-name">ds</tt><tt class="py-op">)</tt> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">vrtds</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line"> </tt>
<a name="CreateMosaicedVRT"></a><div id="CreateMosaicedVRT-def"><a name="L135"></a><tt class="py-lineno">135</tt> <a class="py-toggle" href="#" id="CreateMosaicedVRT-toggle" onclick="return toggle('CreateMosaicedVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateMosaicedVRT">CreateMosaicedVRT</a><tt class="py-op">(</tt><tt class="py-param">files</tt><tt class="py-op">,</tt><tt class="py-param">bands</tt><tt class="py-op">,</tt><tt class="py-param">srcrects</tt><tt class="py-op">,</tt><tt class="py-param">dstrects</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateMosaicedVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateMosaicedVRT-expanded"><a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">band</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">bands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">j</tt><tt class="py-op">,</tt><tt class="py-name">f</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">files</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">f</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceProperties RasterXSize="%s" RasterYSize="%s" DataType="%s"/&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">datatype</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceBand&gt;%s&lt;/SourceBand&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-name">band</tt><tt class="py-op">)</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SrcRect xOff="%s" yOff="%s" xSize="%s" ySize="%s"/&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;DstRect xOff="%s" yOff="%s" xSize="%s" ySize="%s"/&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;/SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">                 </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-1" class="py-name" targets="Function geometry.CreateCustomVRT()=geometry-module.html#CreateCustomVRT"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-1', 'CreateCustomVRT', 'link-1');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-comment">#return None</tt> </tt>
</div><a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line"> </tt>
<a name="CreateSimpleVRT"></a><div id="CreateSimpleVRT-def"><a name="L154"></a><tt class="py-lineno">154</tt> <a class="py-toggle" href="#" id="CreateSimpleVRT-toggle" onclick="return toggle('CreateSimpleVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateSimpleVRT">CreateSimpleVRT</a><tt class="py-op">(</tt><tt class="py-param">bands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateSimpleVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateSimpleVRT-expanded"><a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">band</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">bands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">band</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceBand&gt;1&lt;/SourceBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;/SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-2" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-2', 'CreateCustomVRT', 'link-1');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line"> </tt>
<a name="CreateRawRasterVRT"></a><div id="CreateRawRasterVRT-def"><a name="L168"></a><tt class="py-lineno">168</tt> <a class="py-toggle" href="#" id="CreateRawRasterVRT-toggle" onclick="return toggle('CreateRawRasterVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateRawRasterVRT">CreateRawRasterVRT</a><tt class="py-op">(</tt><tt class="py-param">bands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">nbits</tt><tt class="py-op">,</tt><tt class="py-param">headeroffset</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">byteorder</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateRawRasterVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateRawRasterVRT-expanded"><a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line">    <tt class="py-docstring">'''Create RawRaster VRT from one or more _single_ band files'''</tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">band</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">bands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s" subClass="VRTRawRasterBand"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">band</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ImageOffset&gt;%s&lt;/ImageOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">headeroffset</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;PixelOffset&gt;%s&lt;/PixelOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;LineOffset&gt;%s&lt;/LineOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt> <tt class="py-op">*</tt> <tt class="py-name">cols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">byteorder</tt><tt class="py-op">:</tt><tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ByteOrder&gt;%s&lt;/ByteOrder&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">byteorder</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-3" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-3', 'CreateCustomVRT', 'link-1');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
</div><a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line"> </tt>
<a name="CreateCustomVRT"></a><div id="CreateCustomVRT-def"><a name="L185"></a><tt class="py-lineno">185</tt> <a class="py-toggle" href="#" id="CreateCustomVRT-toggle" onclick="return toggle('CreateCustomVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateCustomVRT">CreateCustomVRT</a><tt class="py-op">(</tt><tt class="py-param">vrtxml</tt><tt class="py-op">,</tt><tt class="py-param">vrtcols</tt><tt class="py-op">,</tt><tt class="py-param">vrtrows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateCustomVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateCustomVRT-expanded"><a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'&lt;VRTDataset rasterXSize="%s" rasterYSize="%s"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">vrtcols</tt><tt class="py-op">,</tt><tt class="py-name">vrtrows</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'%s'</tt> <tt class="py-op">%</tt> <tt class="py-name">vrtxml</tt><tt class="py-op">)</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'&lt;/VRTDataset&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line">     </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line"> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#Shapefile Writer</tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="ShapeWriter"></a><div id="ShapeWriter-def"><a name="L199"></a><tt class="py-lineno">199</tt> <a class="py-toggle" href="#" id="ShapeWriter-toggle" onclick="return toggle('ShapeWriter');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">class</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html">ShapeWriter</a><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ShapeWriter-expanded"><a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line">    <tt class="py-docstring">'''A class for writing geometry and fields to ESRI shapefile format'''</tt> </tt>
<a name="ShapeWriter.__init__"></a><div id="ShapeWriter.__init__-def"><a name="L201"></a><tt class="py-lineno">201</tt> <a class="py-toggle" href="#" id="ShapeWriter.__init__-toggle" onclick="return toggle('ShapeWriter.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">shapefile</tt><tt class="py-op">,</tt><tt class="py-param">fields</tt><tt class="py-op">,</tt><tt class="py-param">srs_wkt</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">overwrite</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__init__-expanded"><a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line">        <tt class="py-docstring">'''Open the shapefile for writing or appending'''</tt> </tt>
<a name="L203"></a><tt class="py-lineno">203</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">            <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">=</tt><tt class="py-name">osr</tt><tt class="py-op">.</tt><tt class="py-name">SpatialReference</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Variable formats.__fields__.fields=formats.__fields__-module.html#fields,Variable formats.fields=formats-module.html#fields,Variable uuid.UUID.fields=uuid.UUID-class.html#fields"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-4', 'fields', 'link-4');">fields</a></tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">srs_wkt</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">.</tt><tt class="py-name">ImportFromWkt</tt><tt class="py-op">(</tt><tt class="py-name">srs_wkt</tt><tt class="py-op">)</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">.</tt><tt class="py-name">ImportFromEPSG</tt><tt class="py-op">(</tt><tt class="py-number">4283</tt><tt class="py-op">)</tt> <tt class="py-comment">#default=GDA94 Geographic</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_shape</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Method geometry.ShapeWriter.OpenShapefile()=geometry.ShapeWriter-class.html#OpenShapefile"><a title="geometry.ShapeWriter.OpenShapefile" class="py-name" href="#" onclick="return doclink('link-5', 'OpenShapefile', 'link-5');">OpenShapefile</a></tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">,</tt><tt id="link-6" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-6', 'fields', 'link-4');">fields</a></tt><tt class="py-op">,</tt><tt class="py-name">overwrite</tt><tt class="py-op">)</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-7" class="py-name" targets="Method geometry.ShapeWriter.__error__()=geometry.ShapeWriter-class.html#__error__"><a title="geometry.ShapeWriter.__error__" class="py-name" href="#" onclick="return doclink('link-7', '__error__', 'link-7');">__error__</a></tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
</div><a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line"> </tt>
<a name="ShapeWriter.__del__"></a><div id="ShapeWriter.__del__-def"><a name="L213"></a><tt class="py-lineno">213</tt> <a class="py-toggle" href="#" id="ShapeWriter.__del__-toggle" onclick="return toggle('ShapeWriter.__del__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__del__">__del__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__del__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__del__-expanded"><a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line">        <tt class="py-docstring">'''Shutdown and release the lock on the shapefile'''</tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line">        <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_shape</tt><tt class="py-op">.</tt><tt class="py-name">Release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line"> </tt>
<a name="ShapeWriter.__error__"></a><div id="ShapeWriter.__error__-def"><a name="L218"></a><tt class="py-lineno">218</tt> <a class="py-toggle" href="#" id="ShapeWriter.__error__-toggle" onclick="return toggle('ShapeWriter.__error__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__error__">__error__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">err</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__error__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__error__-expanded"><a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line">        <tt class="py-name">gdalerr</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorMsg</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">;</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line">        <tt class="py-name">errmsg</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">gdalerr</tt><tt class="py-op">:</tt><tt class="py-name">errmsg</tt> <tt class="py-op">+=</tt> <tt class="py-string">'\n%s'</tt> <tt class="py-op">%</tt> <tt class="py-name">gdalerr</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">err</tt><tt class="py-op">.</tt><tt class="py-name">__class__</tt><tt class="py-op">,</tt> <tt class="py-name">errmsg</tt> </tt>
</div><a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line">         </tt>
<a name="ShapeWriter.WriteRecord"></a><div id="ShapeWriter.WriteRecord-def"><a name="L224"></a><tt class="py-lineno">224</tt> <a class="py-toggle" href="#" id="ShapeWriter.WriteRecord-toggle" onclick="return toggle('ShapeWriter.WriteRecord');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#WriteRecord">WriteRecord</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">extent</tt><tt class="py-op">,</tt><tt class="py-param">attributes</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.WriteRecord-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.WriteRecord-expanded"><a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line">        <tt class="py-docstring">'''Write record'''</tt> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">            <tt class="py-name">geom</tt><tt class="py-op">=</tt><tt id="link-8" class="py-name" targets="Function geometry.GeomFromExtent()=geometry-module.html#GeomFromExtent"><a title="geometry.GeomFromExtent" class="py-name" href="#" onclick="return doclink('link-8', 'GeomFromExtent', 'link-8');">GeomFromExtent</a></tt><tt class="py-op">(</tt><tt id="link-9" class="py-name" targets="Variable formats.__dataset__.Dataset.extent=formats.__dataset__.Dataset-class.html#extent"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-9', 'extent', 'link-9');">extent</a></tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">.</tt><tt class="py-name">IsGeographic</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#basic coordinate bounds test. Can't do for projected though</tt> </tt>
<a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line">                <tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">osr</tt><tt class="py-op">.</tt><tt class="py-name">SpatialReference</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L230"></a><tt class="py-lineno">230</tt>  <tt class="py-line">                <tt class="py-name">srs</tt><tt class="py-op">.</tt><tt class="py-name">ImportFromEPSG</tt><tt class="py-op">(</tt><tt class="py-number">4283</tt><tt class="py-op">)</tt><tt class="py-comment">#4326)</tt> </tt>
<a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">                <tt class="py-name">valid</tt> <tt class="py-op">=</tt> <tt id="link-10" class="py-name"><a title="geometry.GeomFromExtent" class="py-name" href="#" onclick="return doclink('link-10', 'GeomFromExtent', 'link-8');">GeomFromExtent</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">180</tt><tt class="py-op">,</tt><tt class="py-op">-</tt><tt class="py-number">90</tt><tt class="py-op">,</tt><tt class="py-number">180</tt><tt class="py-op">,</tt><tt class="py-number">90</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">srs</tt><tt class="py-op">)</tt> </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">valid</tt><tt class="py-op">.</tt><tt class="py-name">Contains</tt><tt class="py-op">(</tt><tt class="py-name">geom</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">,</tt> <tt class="py-string">'Invalid extent coordinates'</tt> </tt>
<a name="L233"></a><tt class="py-lineno">233</tt>  <tt class="py-line"> </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_shape</tt><tt class="py-op">.</tt><tt class="py-name">GetLayer</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line">             </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line">            <tt class="py-name">feat</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">Feature</tt><tt class="py-op">(</tt><tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">GetLayerDefn</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L237"></a><tt class="py-lineno">237</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">attributes</tt><tt class="py-op">:</tt> </tt>
<a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-11" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-11', 'fields', 'link-4');">fields</a></tt><tt class="py-op">:</tt><tt class="py-name">feat</tt><tt class="py-op">.</tt><tt class="py-name">SetField</tt><tt class="py-op">(</tt><tt class="py-name">a</tt><tt class="py-op">,</tt> <tt class="py-name">attributes</tt><tt class="py-op">[</tt><tt class="py-name">a</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line">            <tt class="py-name">feat</tt><tt class="py-op">.</tt><tt class="py-name">SetGeometryDirectly</tt><tt class="py-op">(</tt><tt class="py-name">geom</tt><tt class="py-op">)</tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateFeature</tt><tt class="py-op">(</tt><tt class="py-name">feat</tt><tt class="py-op">)</tt> </tt>
<a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line"> </tt>
<a name="L242"></a><tt class="py-lineno">242</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt> </tt>
<a name="L243"></a><tt class="py-lineno">243</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-12" class="py-name"><a title="geometry.ShapeWriter.__error__" class="py-name" href="#" onclick="return doclink('link-12', '__error__', 'link-7');">__error__</a></tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
</div><a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line"> </tt>
<a name="ShapeWriter.OpenShapefile"></a><div id="ShapeWriter.OpenShapefile-def"><a name="L245"></a><tt class="py-lineno">245</tt> <a class="py-toggle" href="#" id="ShapeWriter.OpenShapefile-toggle" onclick="return toggle('ShapeWriter.OpenShapefile');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#OpenShapefile">OpenShapefile</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">shapefile</tt><tt class="py-op">,</tt><tt class="py-param">fields</tt><tt class="py-op">,</tt><tt class="py-param">overwrite</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.OpenShapefile-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.OpenShapefile-expanded"><a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line">        <tt class="py-docstring">'''Open the shapefile for writing or appending'''</tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line">            <tt class="py-name">driver</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">GetDriverByName</tt><tt class="py-op">(</tt><tt class="py-string">'ESRI Shapefile'</tt><tt class="py-op">)</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">exists</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">overwrite</tt><tt class="py-op">:</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line">                    <tt class="py-name">driver</tt><tt class="py-op">.</tt><tt class="py-name">DeleteDataSource</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt> </tt>
<a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L253"></a><tt class="py-lineno">253</tt>  <tt class="py-line">                    <tt class="py-name">shp</tt><tt class="py-op">=</tt><tt class="py-name">driver</tt><tt class="py-op">.</tt><tt id="link-13" class="py-name"><a title="formats.Open" class="py-name" href="#" onclick="return doclink('link-13', 'Open', 'link-0');">Open</a></tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">,</tt><tt id="link-14" class="py-name" targets="Method progresslogger.ProgressBarView.update()=progresslogger.ProgressBarView-class.html#update"><a title="progresslogger.ProgressBarView.update" class="py-name" href="#" onclick="return doclink('link-14', 'update', 'link-14');">update</a></tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">=</tt><tt class="py-name">shp</tt><tt class="py-op">.</tt><tt class="py-name">GetLayer</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">=</tt><tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">GetSpatialRef</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L256"></a><tt class="py-lineno">256</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">shp</tt> </tt>
<a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line"> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line">            <tt class="py-name">shp</tt> <tt class="py-op">=</tt> <tt class="py-name">driver</tt><tt class="py-op">.</tt><tt class="py-name">CreateDataSource</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt> </tt>
<a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt><tt class="py-op">=</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">splitext</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L260"></a><tt class="py-lineno">260</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt> <tt class="py-op">=</tt> <tt class="py-name">shp</tt><tt class="py-op">.</tt><tt class="py-name">CreateLayer</tt><tt class="py-op">(</tt><tt class="py-name">lyr</tt><tt class="py-op">,</tt><tt class="py-name">geom_type</tt><tt class="py-op">=</tt><tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">wkbPolygon</tt><tt class="py-op">,</tt><tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">f</tt> <tt class="py-keyword">in</tt> <tt id="link-15" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-15', 'fields', 'link-4');">fields</a></tt><tt class="py-op">:</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line">                <tt class="py-comment">#Get field types</tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt id="link-16" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-16', 'fields', 'link-4');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-keyword">in</tt> <tt class="py-op">[</tt><tt class="py-name">list</tt><tt class="py-op">,</tt><tt class="py-name">tuple</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line">                    <tt class="py-name">ftype</tt><tt class="py-op">=</tt><tt id="link-17" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-17', 'fields', 'link-4');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line">                    <tt class="py-name">fwidth</tt><tt class="py-op">=</tt><tt id="link-18" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-18', 'fields', 'link-4');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L267"></a><tt class="py-lineno">267</tt>  <tt class="py-line">                    <tt class="py-name">ftype</tt><tt class="py-op">=</tt><tt id="link-19" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-19', 'fields', 'link-4');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt> </tt>
<a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line">                    <tt class="py-name">fwidth</tt><tt class="py-op">=</tt><tt class="py-number">0</tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">ftype</tt><tt class="py-op">.</tt><tt class="py-name">upper</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-string">'STRING'</tt><tt class="py-op">:</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">FieldDefn</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">OFTString</tt><tt class="py-op">)</tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt><tt class="py-op">.</tt><tt class="py-name">SetWidth</tt><tt class="py-op">(</tt><tt class="py-name">fwidth</tt><tt class="py-op">)</tt> </tt>
<a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateField</tt><tt class="py-op">(</tt><tt class="py-name">fld</tt><tt class="py-op">)</tt> </tt>
<a name="L273"></a><tt class="py-lineno">273</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-20', 'fields', 'link-4');">fields</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">)</tt> </tt>
<a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">ftype</tt><tt class="py-op">.</tt><tt class="py-name">upper</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-string">'INT'</tt><tt class="py-op">:</tt> </tt>
<a name="L275"></a><tt class="py-lineno">275</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">FieldDefn</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">OFTInteger</tt><tt class="py-op">)</tt> </tt>
<a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateField</tt><tt class="py-op">(</tt><tt class="py-name">fld</tt><tt class="py-op">)</tt> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-21" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-21', 'fields', 'link-4');">fields</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">)</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">ftype</tt><tt class="py-op">.</tt><tt class="py-name">upper</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-string">'FLOAT'</tt><tt class="py-op">:</tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">FieldDefn</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">OFTReal</tt><tt class="py-op">)</tt> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateField</tt><tt class="py-op">(</tt><tt class="py-name">fld</tt><tt class="py-op">)</tt> </tt>
<a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name"><a title="formats.__fields__.fields
formats.fields
uuid.UUID.fields" class="py-name" href="#" onclick="return doclink('link-22', 'fields', 'link-4');">fields</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">)</tt> </tt>
<a name="L282"></a><tt class="py-lineno">282</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt><tt class="py-keyword">pass</tt> </tt>
<a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line">                    <tt class="py-comment">#raise AttributeError, 'Invalid field definition'</tt> </tt>
<a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L285"></a><tt class="py-lineno">285</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">shp</tt> </tt>
<a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line"> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt> </tt>
<a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-23" class="py-name"><a title="geometry.ShapeWriter.__error__" class="py-name" href="#" onclick="return doclink('link-23', '__error__', 'link-7');">__error__</a></tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line"> </tt><script type="text/javascript">
<!--
expandto(location.href);
// -->
</script>
</pre>
<br />
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
       bgcolor="#a0c0ff" cellspacing="0">
  <tr valign="middle">

  <!-- Tree link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Index link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Help link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Project homepage -->
      <th class="navbar" align="right" width="100%">
        <table border="0" cellpadding="0" cellspacing="0">
          <tr><th class="navbar" align="center"
            >Metadata Crawler</th>
          </tr></table></th>
  </tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" width="100%%">
  <tr>
    <td align="left" class="footer">
    Generated by Epydoc 3.0.1 on Wed Oct 07 14:35:47 2009
    </td>
    <td align="right" class="footer">
      <a target="mainFrame" href="http://epydoc.sourceforge.net"
        >http://epydoc.sourceforge.net</a>
    </td>
  </tr>
</table>

<script type="text/javascript">
  <!--
  // Private objects are initially displayed (because if
  // javascript is turned off then we want them to be
  // visible); but by default, we want to hide them.  So hide
  // them unless we have a cookie that says to show them.
  checkCookie();
  // -->
</script>
</body>
</html>
